Kevin Reilly, Fox's entertainment chairman, is reported to have said that the 12 hour-long episodes will be in real time, as with the original series, but some hours will be skipped to enable the series to cover a 24-hour period in total.

24, which was created by Joel Surnow and Bob Cochran, ran for eight seasons from 2001-2010. Sutherland starred as Counter Terrorism Unit agent Jack Bauer in each of the programme's 192 episodes, and his performance in the role won the 41-year-old British-Canadian actor two Emmys and a Golden Globe.

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It has not been announced whether any of the other characters will be reprised in 24: Live Another Day.

Speaking to the Telegraph in 2010, Sutherland said that the end of 24's first run had been emotional for him:

"All the crew were there. And as I went to speak to them my voice started to falter. Then my bottom lip started to go and I had to look down at my feet to get out what I wanted to say. It was profoundly difficult."